2021 BMW 840i xDrive Gran Coupe wiper blade size
The 2021 BMW 840i xDrive Gran Coupe uses a 26" driver-side wiper blade and a 17" passenger-side blade. Rear not verified.
Front sizes confirmed unchanged across 6 model years (2020–2025).
2021 BMW 840i xDrive Gran Coupe wiper blade size chart
| Item | Size | Notes |
|---|---|---|
| Driver | 26" | Driver-side wiper blade |
| Passenger | 17" | Passenger-side wiper blade |
| Rear | Unverified | Unverified |
| Connector | Push Button (22mm) Push Button (22mm) Simplified sketch for identification only. Adapter shapes vary by brand. Open connector guide | Checked connector / arm type |
840i, 840i Gran Coupe, 840i xDrive, M8, M8 Gran Coupe, M850i xDrive, M850i xDrive Gran Coupe
BMW 840i xDrive Gran Coupe wiper blade sizes by year
This table includes verified BMW 840i xDrive Gran Coupe model years available in our database.
| Year | Driver | Passenger | Rear | Connector |
|---|---|---|---|---|
| 2025 | 26" | 17" | Unverified | Push Button (22mm) |
| 2024 | 26" | 17" | Unverified | Push Button (22mm) |
| 2023 | 26" | 17" | Unverified | Push Button (22mm) |
| 2021 Current page | 26" | 17" | Unverified | Push Button (22mm) |
| 2020 | 26" | 17" | Unverified | Push Button (22mm) |
The 2021 row sits between 2023 and 2020 in this 840i xDrive Gran Coupe year table. The same driver / passenger / rear pattern also appears on 2025, 2024, 2023, 2020. Compare it with nearby listed years before ordering.
Fitment notes
Rear not verified. Do not add a rear blade from this page alone.
When buying replacement blades, match this connector type. Most universal blades include adapters, but confirming your arm style at checkout prevents a return trip.
Retailer fitment tools may use different fitment data. Confirm blade length before ordering.
Vehicle-specific evidence notes
The 2021 BMW 840i xDrive Gran Coupe uses a staggered front pair: 26" on the driver side and 17" on the passenger side. Do not order two same-length front blades from this page.
Rear not verified. Use the front sizes from this page, then check the vehicle or retailer selector before adding a rear blade.
Source table: 9 checked source rows. Driver: 5 source labels; passenger: 5 source labels.
Connector type for the 2021 BMW 840i xDrive Gran Coupe is listed as Push Button (22mm) and supported by Rain-X, Trico, and ANCO. Confirm the selected package includes that adapter.
Before ordering for this 2021 BMW 840i xDrive Gran Coupe
- Front pair: Select a 26" driver-side blade and a 17" passenger-side blade.
- Rear blade: Unverified. Do not add a rear blade from this page alone.
- Connector: Push Button (22mm). Confirm the selected package includes the matching adapter.
- Source check: Last verified 2026-06-21 from Rain-X.
About this data
How we verify fitmentChecked fitment data. Last verified: 2026-06-21.
This page-specific source pack checked Rain-X for the 2021 BMW 840i xDrive Gran Coupe. The table lists which checked source contributed driver, passenger, rear, or connector evidence.
- Blade sizes
- Verified
- Rear status
- Unverified
- Connector
- Verified
- Sources
- Rain-X
- Cross-checked
- Bosch, Trico, AutoZone, O'Reilly, WiperSizeChart, ANCO, Walmart, WiperSize.com
- Driver blade: Supported by Rain-X, Trico, WiperSizeChart, ANCO, Walmart
- Passenger blade: Supported by Rain-X, Trico, WiperSizeChart, ANCO, Walmart
- Rear blade: Unverified
- Connector / arm: Supported by Rain-X, Trico, ANCO
| Source | Role | Supports | Checked | Link |
|---|---|---|---|---|
| Rain-X | Primary fitment reference | Driver, Passenger, Connector | 2026-06-21 | Open source |
| Bosch | Cross-check source | Checked only | 2026-06-15 | Open source |
| Trico | Cross-check source | Driver, Passenger, Connector | 2026-06-19 | Open source |
| AutoZone | Retailer fitment check | Checked only | 2026-06-15 | Open source |
| O'Reilly | Retailer fitment check | Checked only | 2026-06-15 | Open source |
| WiperSizeChart | Cross-check source | Driver, Passenger | 2026-06-21 | Open source |
| ANCO | Cross-check source | Driver, Passenger, Connector | 2026-06-21 | Open source |
| Walmart | Retailer fitment check | Driver, Passenger | 2026-06-21 | Open source |
| WiperSize.com | Cross-check source | Checked only | 2026-06-19 | Not available |
2021 BMW 840i xDrive Gran Coupe wiper blade FAQ
Yes. The checked front pair for the 2021 BMW 840i xDrive Gran Coupe is 26" on the driver side and 17" on the passenger side. Match the two positions separately in the cart.
Rear not verified. Confirm the rear position on the retailer site or on the vehicle before ordering.
Retailer catalogs can update separately. Confirm the exact 2021 BMW 840i xDrive Gran Coupe selector at checkout before you buy.
Replacement paths
These are retailer search paths for your vehicle's wiper blade sizes. Verify final fitment at checkout.
This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.
Walmart
Compare available wiper blade listings for the 2021 BMW 840i xDrive Gran Coupe and confirm the selected set matches the listed sizes.
Search 2021 BMW 840i xDrive Gran Coupe blades →AutoZone
Use AutoZone's vehicle selector for the 2021 BMW 840i xDrive Gran Coupe before checkout to confirm driver, passenger, and rear fitment.
Search 2021 BMW 840i xDrive Gran Coupe blades →Amazon
Search Amazon listings for the 2021 BMW 840i xDrive Gran Coupe and check the listing fitment notes against the sizes above.
Search 2021 BMW 840i xDrive Gran Coupe blades →O'Reilly
Open O'Reilly's fitment search for the 2021 BMW 840i xDrive Gran Coupe and verify the connector and blade lengths before ordering.
Search 2021 BMW 840i xDrive Gran Coupe blades →Look up another vehicle
Find checked wiper blade sizes by exact year, make, and model.